核脉冲信号数字自动极零设计  

The Design of Digital Automatic Pole-Zero Cancellation of Nuclear Pulse Signal

作　　者：贾伟强 龚威 刘晓军[4] 马昕[2] JIA Wei-qiang;GONG Wei;LIU Xiao-jun;MA Xin(Hubei Fangyuan Environmental Protection Science&Technology Co.,Ltd,Wuhan 430074,China;State Key Laboratory of Information Engineering in Surveying,Mapping and Remote Sensing,Wuhan University,Wuhan 430072,China;Electronic Information School,Wuhan University,Wuhan 430072,China;School of Mechanical Science and Engineering,Huazhong University of Science and Technology,Wuhan 430074,China)

机构地区：[1]湖北方圆环保科技有限公司,武汉430074 [2]武汉大学测绘遥感信息工程国家重点实验室,武汉430079 [3]武汉大学电子信息学院,武汉430079 [4]华中科技大学机械科学与工程学院,武汉430074

出　　处：《核电子学与探测技术》2023年第2期271-278,共8页Nuclear Electronics & Detection Technology

基　　金：国家重点研发计划重大科学仪器设备开发专项(2017YFF0106500)资助。

摘　　要：针对数字极零相消参数调试过程中依赖人工干预的问题,在推导出负指数衰减脉冲信号时间常数计算模型基础上,提出了自动极零算法,搭建了数字自动极零软硬件测试装置。验证实验表明,提出的负指数衰减脉冲信号时间常数计算模型,可应用于核脉冲信号时间常数的精确计算,数字自动极零算法可直接应用于数字化多道核脉冲信号自动极零相消功能的实现。Aiming at the problem of relying on manual intervention in the parameters debugging process of digital PZC,based on the calculation model of time constant of negative exponential attenuation pulse signal,the automatic PZC algorithm has been proposed,and the digital automatic PZC software and hardware test device has been constructed.Verification experiments show that:the calculation model of time constant of negative exponential attenuation pulse signal proposed can be used in the accurate calculation of time constant of nuclear pulse signal.The digital automatic PZC algorithm can be applied to the realization of automatic PZC function of digital multichannel analyzer.

关 键 词：核脉冲信号 数字极零相消 自动极零 极零相消 数字化多道 

分 类 号：TL817[核科学技术—核技术及应用]